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WO1999008520A1 - Compositions herbicides - Google Patents

Compositions herbicides Download PDF

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Publication number
WO1999008520A1
WO1999008520A1 PCT/GB1998/002261 GB9802261W WO9908520A1 WO 1999008520 A1 WO1999008520 A1 WO 1999008520A1 GB 9802261 W GB9802261 W GB 9802261W WO 9908520 A1 WO9908520 A1 WO 9908520A1
Authority
WO
WIPO (PCT)
Prior art keywords
butroxydim
tralkoxydim
compositions
composition according
active ingredients
Prior art date
Application number
PCT/GB1998/002261
Other languages
English (en)
Inventor
Clare Hilary Saunders
Peter Bernard Sutton
Roger Cyrill Murfitt
Original Assignee
Zeneca Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeneca Limited filed Critical Zeneca Limited
Priority to BR9811157-4A priority Critical patent/BR9811157A/pt
Priority to AU85499/98A priority patent/AU8549998A/en
Publication of WO1999008520A1 publication Critical patent/WO1999008520A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
    • A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond

Definitions

  • the present invention relates to herbicidal compositions comprising two or more active ingredients and to methods of controlling unwanted plants using such compositions. More particularly, the invention relates to herbicidal compositions containing tralkoxydim and butroxydim and herbicidal methods using such compositions.
  • the control of unwanted plants is extremely important in achieving high crop efficiency.
  • the selective control of the growth of weeds, particularly in crops such as cereals, is desirable as unchecked weed growth in crops can cause a significant reduction in productivity.
  • the control of unwanted plants in non-crop areas is also important. Hence the need for products that achieve such results continues to be commercially important.
  • Tralkoxydim 2-[l-(ethoxyimino)propyl]-3-hydroxy-5-(2,4,6-trimethylphenyl)-2- cyclohexen-1-one, is a selective systemic herbicide which is absorbed by the leaves, it acts by inhibiting cell division. Tralkoxydim is used for the control of Avena spp. and other grass species in wheat and barley. Butroxydim, 2-[l-(ethoxyimino)propyl]-3-hydroxy-5-(3-butyryl-2,4,6- trimethylphenyl)-2-cyclohexen-l-one, is a selective systemic herbicide which is absorbed by the leaves, it acts by inhibiting cell division. Butroxydim is used for the control of Digitaria spp. and other grass species in soya and other broad leaved crops.
  • a herbicidal composition comprising as active ingredients tralkoxydim and butroxydim.
  • compositions of the invention have a surprisingly high herbicidal activity which is greater than the sum of the activities of the individual herbicidal components.
  • tralkoxydim and butroxydim appears to display synergy.
  • compositions are capable of controlling the growth of a variety of plants including grass species in a variety of situations such as agriculture and horticulture, forestry and amenity.
  • a process for limiting the growth of, severely damaging or killing plants which comprises applying to the plants, or to the growth medium of the plants, separately, simultaneously or sequentially, a herbicidally effective amount of tralkoxydim and butroxydim.
  • the ratio of tralkoxydim to butroxydim may vary considerably but will suitably be within the range 1 to 60 : 1, particularly 6 to 20 : 1 by weight.
  • the rate of application of active ingredients in the compositions and method of the invention will depend on a number of factors including, the plants to be controlled, the crop plants, the prevailing climatic conditions, the soil type, whether the active ingredients are applied for foliage or root uptake and whether the active ingredients are applied simultaneously, separately or sequentially.
  • an application rate of from 75 to 450 g/ha of tralkoxydim is suitable while from 100 to 200 g/ha may be preferred.
  • the amount of butroxydim can be calculated from the ratios of tralkoxydim to butroxydim given above.
  • the active ingredients may be formulated separately then applied simultaneously, separately or sequentially in an appropriate ratio, e.g. as a tank mix. However it is preferred that the active ingredients are formulated together as a single composition according to the invention.
  • the composition may be formed of the active ingredients alone but will more usually contain a carrier comprising a solid or liquid diluent.
  • Solid compositions may be in the form of granules, or dusting powders in which the active ingredients are mixed with a finely divided solid, e.g. kaolin, bentonite, kieselguhr, dolomite, calcium carbonate, talc, powdered magnesia, Fuller's earth or gypsum. They may also be in the form of dispersible powders or grains, comprising a wetting agent to facilitate the dispersion of the powder or grains in liquid. Solid compositions in the form of a powder may be applied as foliar dusts.
  • Liquid compositions may comprise a solution or dispersion of the active ingredients in water optionally containing a surface-active agent, or may comprise a solution or dispersion of the active ingredients in a water-immiscible organic solvent which is dispersed as droplets in water.
  • Surface-active agents may be of the cationic, anionic or non-ionic type, or mixtures thereof.
  • Suitable cationic agents include quaternary ammonium compounds, e.g. cetyltrimethylammonium bromide.
  • Suitable anionic agents include soaps; salts of aliphatic mono ester of sulfuric acid, e.g. sodium lauryl sulfate; and salts of sulfonated aromatic compounds, e.g.
  • non-ionic agents include the condensation products of ethylene oxide with fatty alcohols such as oleyl alcohol and cetyl alcohol, or with alkylphenols such as octyl- or nonyl-phenol (e.g. Agral 90) or octyl-cresol.
  • fatty alcohols such as oleyl alcohol and cetyl alcohol
  • alkylphenols such as octyl- or nonyl-phenol (e.g. Agral 90) or octyl-cresol.
  • Other non-ionic agents are the partial esters derived from long chain fatty acids and hexitol anhydrides, e.g.
  • sorbitan monolaurate the condensation products of the partial ester with ethylene oxide; the lecithins; and silicone surface active agents (water soluble surface-active agents having a skeleton which comprises a siloxane chain e.g. Silwet L77).
  • a suitable mixture in mineral oil is Atplus 41 IF.
  • Preferred surface-active agents include TF8035 and the like.
  • the surface-active agent is preferably present in the composition at a concentration of from about 0.2 to about 1.0 % by weight.
  • Aqueous solutions or dispersions may be prepared by dissolving the active ingredients in water or an organic solvent optionally containing wetting or dispersing agent(s) and then, when organic solvents are used, adding the mixture so obtained to water optionally containing wetting or dispersing agent(s).
  • organic solvents include ethylene dichloride, isopropyl alcohol, propylene glycol, diacetone alcohol, toluene, kerosene, methylnaphthalene, xylenes and trichloroethylene.
  • compositions may be either dilute preparations, which are ready for immediate use, or concentrated compositions, which are usually diluted before use e.g. with water.
  • the compositions preferably contain from 0.01% to 90% by weight of the active ingredients.
  • Dilute compositions may contain varying amounts of the active ingredients depending upon the intended purpose, amounts of 0.01% to 10.0% and preferably 0.1% to 2%, by weight of active ingredients are normally used.
  • Concentrated compositions may contain from 20 to 90% by weight of active ingredients, although from 20 to 70% is usually preferred.
  • compositions for use in the form of aqueous solutions or dispersions are generally supplied in the form of a concentrate containing a high proportion of the active ingredients, and the concentrate is then diluted with water before use. Concentrates are usually required to withstand storage for prolonged periods and after such storage to be capable of dilution to give compositions which remain homogeneous for sufficient time to enable them to be applied using conventional spray equipment.
  • a preferred form of concentrated composition comprises finely divided active ingredients which have been dispersed in water in the presence of a surface-active agent and a suspending agent.
  • Suitable suspending agents are hydrophilic colloids and include, for example, polyvinylpyrrolidone and sodium carboxymethylcellulose, and the vegetable gums, for example gum acacia and gum tragacanth.
  • Preferred suspending agents are those which impart thixotropic properties to, and increase the viscosity of, the concentrate.
  • preferred suspending agents include hydrated colloidal mineral silicates, such as montmorillonite, beidellite, nontronite, hectorite, saponite and saucorite. Bentonite is especially preferred.
  • Other suspending agents include cellulose derivatives and polyvinyl alcohol.
  • compositions may comprise, in addition to tralkoxydim and butroxydim, one or more compounds not of the invention but which possess biological activity.
  • a herbicidal composition comprising a mixture of at least tralkoxydim and butroxydim, with at least one other herbicide.
  • the other herbicide will generally be a herbicide having a complementary action to tralkoxydim and butroxydim.
  • useful complementary herbicides include:
  • salts, esters and amides such as 2,4,5-T, 2,4-D, 2,4-DB, clopyralid, dichlorprop, dichlorprop-p, fluroxypyr, MCPA, MCPA-thioethyl, MCPB, mecoprop, mecoprop-p, picloram, thiazopyr, and trichlopyr;
  • D. dinitrophenols and their derivatives e.g. acetates, such as dinoterb and DNOC;
  • E. dinitroanilines such as dinitramine, ethalfluralin, fluchloralin, oryzalin, pendimethalin, prodiamine and trifluralin
  • F. arylureas such as chlorobromuron, chlorotoluron, daimuron, dimefuron, diuron, fenuron, flumeturon, isoproturon, isourn, linuron, methabenzthiazuron, methyldymron, metobromuron, metoxuron, monolinuron, neburon and tebuthiuron
  • G. phenylcarbamoyloxyphenylcarbamates such as desmedipham and phenmedipham
  • H. phenylpyrazoles such as ET-751;
  • J. pyridones such as fluridone
  • K. pyrimidinyloxybenzoic herbicides such as DPX-PE350 (pyrithiobac-sodium) and KTH-2023 (bispyribac-sodium)
  • L. uracil herbicides such as bromacil, lenacil and terbacil;
  • M triazines such as amytryn, atrazine, cyanazine, dimethametryn, prometon, prometryn, propazine, simazine, simetryne terbuthylazine, terbutryn and trietazine;
  • N. triazoles such as amitrole
  • O. triazolinones such as carfentrazone (F-8426) and sulfentrazone (F-6285);
  • P. phosphorothioates such as bensulide, butamifos and piperophos;
  • Q. phthalamides such as flumioxazin
  • R. thiocarbamates such as butylate*, cycloate, dimepiperate, EPTC*, esprocarb, molinate, orbencarb, pebulate, prosulfocarb, thiobencarb, tiocarbazil, tri-allate and vernolate
  • S. l,2,4-triazin-5-ones such as metamitron and metribuzin;
  • T benzoic acid herbicides such as 2,3,6-TBA, chloramben and dicamba
  • U chloroacetanilides such as acetochlor, alachlor, butachlor, dimethachlor, dimethanamid, metazachlor, metolachlor, pretilachlor, propachlor, and thenylchlor (NSK-850)
  • V dihalobenzonitriles such as bromoxynil, dichlobenil, ioxynil and the dihalobenzonitrile herbicide precursor bromofenoxim
  • W haloalkanoic herbicides such as TCA and salts thereof and dalapon
  • X haloalkanoic herbicides
  • diphenylethers such as aciflurofen and salts and esters thereof, aclonifen, bifenox, chlomethoxyfen, chlornitrofen, fluroglycofen and salts and esters thereof, fomesafen and lactofen;
  • Y. diphenylureas such as oxyfluorfen
  • Z. phenoxyphenoxypropionates such as clodinafop-propargyl, cyhalofop-butyl
  • diclofop and esters thereof e.g. the methyl ester, fenoxaprop and esters thereof e.g. the ethyl ester, fluazifop and esters thereof, haloxyfop and esters thereof, propaquizafop, quizalofop and esters thereof and quizalofop-p- tefuryl;
  • AA cyclohexanediones such as alloxydim and salts thereof, clethodim, cycloxydim and sethoxydim;
  • sulfonyl ureas such as amidosulfuron, azimsulfuron, benzsulfuron and esters thereof such as DPX-M6313, chlorimuron and esters thereof such as the ethyl ester, chlorosulfuron, cinosulfuron, ethametsulfuron-methyl, flazasulfuron, halosulfuron, HOE-95404, imazosulfuron, metsulfuron and esters thereof, nicosulfuron, pirimisulfuron and esters thereof such as the methyl ester, prosulfuron, pyrazosulfuron, rimsulfuron, sulfometuron, thifensulfuron, triasulfuron, tribenuron, tribenuron-methyl and triflusulfuron-methyl;
  • imidazolinones such as imazamethabenz, imazapyr and isopropylammonium salts thereof, imazaquin and imazethapyr;
  • arylanilides such as diflufenican, flamprop, flamprop-M and esters thereof;
  • FF quinolinecarboxylic acids such as quimerac and quinclorac
  • amino acid herbicides such as bialaphos, glyphosate and glufosinate and their salts and esters and sulfosate;
  • HH. organoarsenical herbicides such as DSMA and monosodium methanearsonate (MSMA);
  • organophosphorus herbicides such as anilofos and fosamine-ammonium
  • JJ. herbicidal amide derivatives such as carbetamide, FOE-5043, isoxaben, napropamide, naptalam, propyzamide and tebutam;
  • KK. sulfamoylureas such as AC-322,140 (cyclosulfamuron); LL. sulfonanilides such as chloransulam-methyl, DE-511 (metosulam) and flumetsulan; MM. carbamates such as chlorpropham; NN. triketones such as sulcotrione; OO. miscellaneous herbicides such as ammonium sulfamate, asulam, benazolin, cinmethylin, clomazone, difenzoquat and salts thereof e.g.
  • methyl sulfate salt dimethipin, diphenamid, dithiopyr, ethofumesate, fumiclorac, flupoxam, flurenol-butyl, flurochloridone, flurtamone, hexazinone, HW-32, KTH-9201 (fluthiacet-methyl), KPP-314, mefenacet, oxadiazon, pyridate, RPA-201772 (isoxaflutole), sodium chlorate and thidiazimin; and
  • compositions of the invention may contain a safener such as AD-67, benoxacor, cloquintocet-mexyl, dichlormid, fenchlorazole-ethyl, mefenpyr-diethyl, fenclorim, fluxofenim, furilazole, MG-191, naphthalic anhydride, oxabentrinil or R-29148.
  • a safener such as AD-67, benoxacor, cloquintocet-mexyl, dichlormid, fenchlorazole-ethyl, mefenpyr-diethyl, fenclorim, fluxofenim, furilazole, MG-191, naphthalic anhydride, oxabentrinil or R-29148.
  • Particularly preferred safeners are fenchlorazole-ethyl, mefenpyr- diethyl and cloquintocet-mexyl, especially fenchlorazole-ethyl.
  • the ratio of active ingredients to safener present in the compositions of the invention is preferably in the range 1 to 6 : 1, more preferably 2 to 4 : 1.
  • the discussion above refers to compositions but it should be borne in mind that according to the invention the active ingredients may be provided as a single composition or, alternatively, as separate compositions.
  • compositions and method of the invention may be used on a range of crops.
  • Crops are to be understood as including those crops which have been made tolerant to herbicides or classes of herbicide by conventional methods of breeding or gene technology.
  • the compositions and method are especially useful for the control of weeds in cereal crops such as wheat and barley because they show selectivity towards these crops. They are particularly effective in controlling grass species, especially Avena fatua, Alopecurus myosuroides, Lolium rigidum and Setaria viridis which are commercially important weeds in cereal crops.
  • compositions and method of the invention are suitable for all methods of application, however they are preferably used for post-emergence application.
  • the invention is illustrated by the following Example:
  • compositions were tested as follows. a) Tralkoxydim applied at rates of 6.25, 12.5 and 25 g/ha. b) Butroxydim applied at rates of 1, 2 and 4 g/ha. c) Tralkoxydim applied at rates of 6.25, 12.5 and 25 g/ha in admixture with butroxydim applied at rates of 1, 2 and 4 g/ha, with and without the addition of 6.25 g/ha of the safener fenchlorazole.
  • the composition of the these materials was as follows: Tralkoxydim - 80% WG Butroxydim - 26% WG
  • Plants were sprayed with a tracksprayer with a 800 IE nozzle, at a spray height of 30 cm and spray application volume of 200 1/ha. After spraying the plants were laid out in a glasshouse and maintained at a temperature of 16°C by day and 12°C by night with a 14 hour photoperiod. Plants were watered by hand into the top of the pots for the duration of the test, taking care to avoid wetting the foliage for the first 5 days after spraying. The plant species treated were: a) Crops
  • compositions containing tralkoxydim and butroxydim are considerably more effective in controlling Avenafatua, Alopecurus myosuroides, Lolium rigidum and Setaria viridis than either tralkoxydim or butroxydim alone. More surprisingly, for these weeds, the combination is more effective than would have been expected from a calculation of the sum of the effects of the two individual components.

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Composition herbicide contenant des matières actives telles que le tralkoxydime et le butroxydime.
PCT/GB1998/002261 1997-08-15 1998-07-28 Compositions herbicides WO1999008520A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR9811157-4A BR9811157A (pt) 1997-08-15 1998-07-28 Composição de herbicidas, e, processo para limitação do crescimento de plantas severamente daninhas ou mortais
AU85499/98A AU8549998A (en) 1997-08-15 1998-07-28 Herbicidal compositions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9717321.5A GB9717321D0 (en) 1997-08-15 1997-08-15 Herbicidal composition
GB9717321.5 1997-08-15

Publications (1)

Publication Number Publication Date
WO1999008520A1 true WO1999008520A1 (fr) 1999-02-25

Family

ID=10817535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/002261 WO1999008520A1 (fr) 1997-08-15 1998-07-28 Compositions herbicides

Country Status (5)

Country Link
AR (1) AR016600A1 (fr)
AU (1) AU8549998A (fr)
BR (1) BR9811157A (fr)
GB (1) GB9717321D0 (fr)
WO (1) WO1999008520A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382247A1 (fr) * 2002-07-18 2004-01-21 Bayer CropScience GmbH Associations d'herbicides d'oximes de cyclohexanedione et de phytoprotecteurs
CN105145555A (zh) * 2015-09-28 2015-12-16 江苏省农用激素工程技术研究中心有限公司 丁苯草酮水分散粒剂及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874421A (en) * 1988-06-14 1989-10-17 The Dow Chemical Company Herbicidal method with improved crop tolerance
WO1993004581A1 (fr) * 1991-09-12 1993-03-18 Zeneca Limited Combinaison synergique de derives d'acide aryloxypropionique herbicides et de cyclohexanediones
EP0542687A1 (fr) * 1991-11-15 1993-05-19 Ciba-Geigy Ag Agent synergistique et procédé pour combattre sélectivement des mauvaises herbes
US5629262A (en) * 1995-10-27 1997-05-13 Basf Corporation Method for controlling grass weeds comprising administering synergistic amounts of two cyclohexenone herbicides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874421A (en) * 1988-06-14 1989-10-17 The Dow Chemical Company Herbicidal method with improved crop tolerance
WO1993004581A1 (fr) * 1991-09-12 1993-03-18 Zeneca Limited Combinaison synergique de derives d'acide aryloxypropionique herbicides et de cyclohexanediones
EP0542687A1 (fr) * 1991-11-15 1993-05-19 Ciba-Geigy Ag Agent synergistique et procédé pour combattre sélectivement des mauvaises herbes
US5629262A (en) * 1995-10-27 1997-05-13 Basf Corporation Method for controlling grass weeds comprising administering synergistic amounts of two cyclohexenone herbicides

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382247A1 (fr) * 2002-07-18 2004-01-21 Bayer CropScience GmbH Associations d'herbicides d'oximes de cyclohexanedione et de phytoprotecteurs
WO2004008854A1 (fr) * 2002-07-18 2004-01-29 Bayer Cropscience Gmbh Combinaisons d'herbicides et de phytoprotecteurs cyclohexanedione oxime
US7060657B2 (en) 2002-07-18 2006-06-13 Bayer Cropscience Gmbh Combinations of cyclohexanedione oxime herbicides and safeners
EA007734B1 (ru) * 2002-07-18 2006-12-29 Байер Кропсайенс Гмбх Комбинации циклогександионоксимовых гербицидов и защитных веществ
CN100334948C (zh) * 2002-07-18 2007-09-05 拜尔作物科学有限公司 环己二酮肟除草剂和安全剂的组合物
CN105145555A (zh) * 2015-09-28 2015-12-16 江苏省农用激素工程技术研究中心有限公司 丁苯草酮水分散粒剂及其制备方法

Also Published As

Publication number Publication date
AU8549998A (en) 1999-03-08
GB9717321D0 (en) 1997-10-22
AR016600A1 (es) 2001-07-25
BR9811157A (pt) 2000-07-25

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